MXR M133

MXR Micro Amp Guitar Pedal Instruction Manual

Model: M133

Introducció

The MXR Micro Amp is a versatile clean boost pedal designed to enhance your guitar signal. It adds a preset amount of gain with a single control, making it ideal for boosting your signal for lead work, adjusting between guitars with unmatched output (e.g., humbuckers to single-coils), or providing a permanent boost in a long effects chain to prevent signal drop-off.

Configuració

Engegant el pedal

The MXR Micro Amp can be powered by a Dunlop ECB003 AC adapter (not included) or a single 9-volt battery. To install a 9-volt battery, unscrew the four screws on the bottom plate of the pedal and connect the battery clip.

A baix view of the MXR Micro Amp pedal showing the four screws for battery access.

Imatge: Part inferior view of the MXR Micro Amp pedal, highlighting the screws for battery compartment access.

Connecting to Your Setup

Connect your guitar to the 'INPUT' jack on the right side of the pedal and your amplifier or the next pedal in your signal chain to the 'OUTPUT' jack on the left side, using standard 1/4-inch audio cables.

Davant view of the MXR Micro Amp pedal with input and output jacks visible.

Imatge: Frontal view of the MXR Micro Amp pedal, showing the 'GAIN' knob, footswitch, and the 'INPUT' and 'OUTPUT' jacks.

lateral view of the MXR Micro Amp pedal showing the input jack.

Imatge: Lateral view of the MXR Micro Amp pedal, clearly showing the input jack for connecting your guitar.

lateral view of the MXR Micro Amp pedal showing the output jack and power input.

Imatge: Costat oposat view of the MXR Micro Amp pedal, displaying the output jack and the 9-volt DC power connector.

Instruccions de funcionament

Obteniu el control

The single 'GAIN' knob on the MXR Micro Amp controls the amount of boost applied to your signal. Rotate the knob clockwise to increase the gain, providing a louder and potentially more saturated signal. Rotate counter-clockwise to decrease the gain. The pedal can provide up to 26 decibels of clean boost.

A dalt view of the MXR Micro Amp pedal, highlighting the gain knob.

Imatge: Superior view of the MXR Micro Amp pedal, with a clear focus on the 'GAIN' control knob.

Interruptor de pedal True Bypass

The footswitch engages or disengages the Micro Amp effect. When disengaged, the pedal utilizes true bypass circuitry, ensuring your guitar's signal passes through unaffected, preserving your original tone.

Escenaris d'ús

  • Signal Matching: Use the Micro Amp at the front of your pedalboard to match the output levels of different guitars, ensuring consistent signal strength to your ampmés viu.
  • Overdrive Boost: Place the Micro Amp before an overdrive pedal to increase the amount of gain hitting the overdrive, resulting in more saturation and sustain.
  • Clean Lead Boost: Position the Micro Amp after your gain stages or in your amplifier's effects loop to provide a clean volume boost for solos without adding additional distortion.
  • Signal Restoration: In long effects chains, the Micro Amp can be placed at the end to restore any signal loss and maintain overall volume.

Manteniment

To ensure the longevity and optimal performance of your MXR Micro Amp, keep the pedal clean and free from dust. Avoid exposing it to extreme temperatures, direct sunlight, or moisture. Periodically check all cable connections for secure fit and inspect the battery (if used) for any signs of corrosion or leakage.

Resolució de problemes

  • Sense so: Ensure all cables are securely connected to the correct input/output jacks. Verify that the power supply (battery or AC adapter) is functioning correctly and properly connected. Check if your guitar's volume knob is turned up.
  • Senyal feble: Confirm the 'GAIN' knob is set to an appropriate level. If using a 9-volt battery, check its charge and replace if necessary.
  • Soroll/bruix no desitjat: Ensure you are using high-quality, shielded instrument cables. Test the pedal in isolation with minimal other equipment to rule out interference from other pedals or power sources.

Especificacions

CaracterísticaDetall
Número de modelM133
Pes de l'article12.8 unces
Dimensions del producte5.9 x 4.6 x 2.7 polzades
Bateries1 x 9V battery required (not included)
Font d'alimentació9V DC Adapter or 9V Battery
Voltage9 Volts
Tipus de connector9-volt DC power connector
Interfície del maquinariÀudio d'1/4 de polzada
Format del senyalAnalògic
Material del cosMetall

Garantia i Suport

The MXR Micro Amp is manufactured by MXR, a brand of Dunlop. This product comes with a standard manufacturer's warranty. For detailed warranty information, product registration, or technical support, please visit the official MXR/Dunlop weblloc or contact their customer service directly. Keep your proof of purchase for warranty claims.

© 2026 MXR/Dunlop. All rights reserved.

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